Kaishan Group Co., Ltd. researches, develops, manufactures, and sells compressor products in China and internationally. Its offerings include screw, portable, scroll, and centrifugal air compressors, as well as fluid machinery such as vacuum pumps and blowers, process compressors, refrigeration equipment, expansion power generation equipment, and purification equipment. The company is also involved in geothermal resource exploration and development, drilling engineering, geothermal resource management, and geothermal power station construction. Formerly known as Zhejiang Kaishan Compressor Co., Ltd., it changed its name to Kaishan Group Co., Ltd., was founded in 1956, is headquartered in Shanghai, China, and is a subsidiary of Kaishan Holding Group Co., Ltd.